[LLVMdev] The nsw story

Dan Gohman gohman at apple.com
Wed Dec 7 11:23:37 PST 2011

On Dec 6, 2011, at 12:32 AM, Chris Lattner wrote:
> On Dec 5, 2011, at 7:44 PM, Dan Gohman wrote:
>> operands and opcodes. It's quite magical.
> It's actually not that magical.

It's not magical from an LLVM perspective. But it is one
of the areas where the popular mental model of LLVM IR as an
assembly language breaks down. Undef is weirder than PHI nodes.


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